[sift] commented out image normalization to get the same output as before.
[sift] commented out image normalization to get the same output as before.

The previous implementation was missing this normalization, so we should
uncomment it. However, to reproduce the same results for the IARPA
challenge lets comment it out for now.

jmichel-otb/s2p,carlodef/s2p,dyoussef/s2p,MISS3D/s2p,MISS3D/s2p,MISS3D/s2p,jmichel-otb/s2p,dyoussef/s2p,dyoussef/s2p,dyoussef/s2p,MISS3D/s2p,jmichel-otb/s2p,carlodef/s2p,mnhrdt/s2p,jmichel-otb/s2p,mnhrdt/s2p